人防工程剪力墙加固的对拉螺杆是否要加PVC套管,有具体规范要求没有
高人能提供关于人防工程的规范
推荐回答(3个)
是这样的,我是做人防工程防护设备的,烟台华盛的,以下的回答希望对您有帮助。一、建筑部分1. 防护单元内部不应设置沉降缝、伸缩缝,如需设置必须设置防爆沉降缝。2. 密闭通道、防毒通道、洗消间、滤毒室、扩散室等房间、通道,其墙面、顶面、地坪均应平整光洁、易于清洗。3. 人防地下室防护区顶部(除第2条中叙述个区域外)不允许用水泥砂浆粉刷或找平。4. 非活置式人防门下有门槛,门槛与地坪建筑高差应≧150mm;活置式人防门下无门槛,门框下边与建筑地坪同高。人防门框锚钩应伸入结构层内。5. 当防护密闭门设置于竖井内时,其门扇外表面不得突出竖井内墙面,防爆波活门应嵌入墙内。6. 在距人防门框四周20mm范围内墙面粉刷层不得超出门框角钢面。7. 平战转换预制构件应与工程同步做好,并设置构件的存放位置。8. 出入口式战时封堵处在非人防侧预留沟槽,预埋件锚钩应伸入结构层内;战时封堵框平时应采用刷漆或加钢丝网用水泥砂浆粉刷的处理方式,处理完毕后在两侧墙体标识“战时封堵”字样。二、结构部分9. 钢筋砼结构构件纵向受力钢筋的锚固长度laF=1.05lad。10. 地下室基础底板上层筋必须从地基反梁上层主筋下部穿过,顶板下层筋必须从顶板反梁下层主筋上部穿过。11. 人防区顶、底板、临空墙必须设拉结筋(形式“S”型,≧φ6,﹫≦500mm梅花形布置)。12. 人防围护结构和密闭墙体门洞四角必须设置加强筋:长度1000mm,斜45º绑扎,墙厚≦400mm,每角2φ16;墙厚>400mm,每角3φ16。13. 被止水钢板割断的附墙柱箍筋应搭接焊在止水钢板上。14. 人防围护结构和密闭墙体(均为钢筋砼内墙)模板对拉螺杆不允许穿PVC套管,且螺杆中部应设止水片。15. .管割断的墙筋应点焊在穿墙管上。16. 梁与边柱交接处,外墙与顶、底板交接处钢筋构造要求为: ①边柱外侧纵向钢筋伸入地、顶梁内的锚固长度应≧1.5lad, ②当顶板厚度<外墙厚度时,顶板上排筋伸入外墙内锚固长度应≧1.5lad, ③当顶板厚度≧外墙厚度时,外墙外侧纵向钢筋伸入顶板内锚固长度应≧1.5lad, ④外墙外侧纵向钢筋伸入底板内锚固长度应≧1.5lad。三、电气部分17. 在围护结构内敷设,穿过外墙、临空墙、防护密闭墙和密闭墙的各种电缆(包括各种强弱电)管线,应按照人防要求进行制作。直接穿越人防外墙、临空墙、防护密闭墙和密闭墙的电缆应采用壁厚大于2.5的热镀锌钢管作为穿线管,两端出墙100,中间双面满焊密闭肋(δ≧4,b≧50),相邻线管管壁间距不小于100mm。18. 人防强、弱电井、各人员出入口和连通口的防护密闭门和密闭门门框墙上应预埋4~6根管径为50~80mm,壁厚大于2.5的热镀锌钢管,作为备用管。具体做法为两端出墙100,中间双面满焊密闭肋(δ≧4,b≧50)。19. 各类母线槽、桥架不能直接穿越人防临空墙、门框墙、外墙及顶板。当必须通过时,母线应符合防护密闭要求,桥架应改为穿管敷设,一根电缆穿一根套管。 20. 临空墙、门框墙、人防外墙两侧的指示灯,配电箱,只能明装,不允许暗装。21. 临空墙、门框墙、人防外墙两侧安装接线盒及过渡盒时应避免两侧过线盒在同一位置。22. 甲类防空地下室的救护站、防空专业队工程、人员掩蔽所工程、配套工程的柴油发电站中除柴油发电机组平时可不安装外,其它附属设备及管线均应安装到位。23. 人防主体浇混凝土后,不得再打洞开槽。四、通风部分24. 人防围护结构及密闭墙体风预埋管为直接预埋管,外径为配合尺寸。风管预埋管以δ≧3钢板卷制,预埋管长度为700,两端出砼墙150;中间双面满焊密闭肋(δ≧5,b≧50),不焊法兰。不得用现成的钢管截断代替。在防爆波活门对面墙上的预埋风管应焊接90o虾米弯头朝下。浇混凝土后预埋管内外除锈刷两道防锈漆两道红色调和漆。25. 测压管以DN15镀锌钢管煨制﹑焊接,不得丝接。埋入墙砼,在砼中管段任意部位焊接密闭肋(δ=5,b=50),井侧或非人防侧标高:人防顶板下0.5m,出墙150,丝接堵头;机房或防化值班室侧标高﹑机房地坪上大于2.0m,出墙150,丝接DN15闸阀。出墙管段刷两道红色调和漆。五、给排水部分26. 防爆地漏和管道均为DN80,是压力管道。管道材料为镀锌钢管,连接方式为丝接,需加麻丝,白厚漆。管道伸进集水坑100,焊接钢制弯头并接管至坑底200。地漏上口标高低于地平5~10mm,盖板应能在地漏支口内灵活转动,支口上黄油,盖板刷两道沥青漆。明露管道刷两道沥青漆。27. 进出人防单元的管道,在人防侧安装P≧1.0Mpa,铜芯或不锈钢芯的焊接法兰闸阀,阀与墙﹑顶之间的管道连接为焊接,不得丝接或用丝扣管件。人防围护结构内侧距离闸门的近端面不宜大于200。28. 进入人防的给水管道,阀前材料应采用热镀锌钢管或钢塑复合管。29. 临空墙﹑门框墙﹑在室外地坪上的人防外墙上水套管做法:两端出墙100,中间双面满焊密闭肋(δ≧5,b≧50)。30. 穿越人防顶板的预埋管为预埋套管,预埋管中间双面满焊闭肋(δ≧5,b≧50)。套管出顶板上下100。31. 与人防无关管道不得进入人防,例:地面的给水﹑下水﹑雨水、空调冷凝水管。32. 临空墙、门框墙、人防外墙两侧的消火栓箱只能明装。
地下室混凝土墙的对拉螺杆没有具体规范要求是否要加PVC套管。那是一种施工措施,需要拉杆重复利用的,就要PVC套管;对于人防战时区的外墙,防水要求高,就必须用止水对拉螺杆,不能重复利用,就不能加PVC套管。
人防墙的对拉螺栓是不能加PVC套管的。
GB50134规范的6.1.2.5条
临空墙、门框墙的模板安装,其固定模板的对拉螺栓上严禁采用套管、混凝土预制件等。
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